volume | PIER Journals

2019-12-05

A Compact Circularly Polarized Microstrip Ring Antenna Using a Slotted Ground for GNSS Applications

Jiade Yuan,

Professor Jiade Yuan

Fuzhou university

China

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Yujie Li

Dr. Yujie Li

College of Physics and Information Engineering

Fuzhou University

China

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Progress In Electromagnetics Research Letters, Vol. 88, 29-36, 2020

doi:10.2528/PIERL19082707

Abstract

A compact circularly polarized microstrip ring antenna is presented for Global Navigation Satellite systems (GNSS) application in this paper. The antenna consists of a ring-shaped slotted ground and a radiation patch which is fed by a T-like coupling feedline. The radiation patch is a square ring strip embedded within two inverted L-shaped strips and a rectangular strip. The overall size of the proposed antenna is 0.38×0.38×0.038λ_g³ (λ_g is the guide wavelength at the frequency of 1575 MHz). The measured -15 dB |S₁₁| bandwidth, 3 dB axial ratio (AR) bandwidth, and gain bandwidth of larger than 5 dBi are in the frequency range of 1552-1623 MHz, which can fully cover the operating frequency band of BDS B₁, GPS L₁, and GLONASS L₁.

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Jiade Yuan, and Yujie Li, "A Compact Circularly Polarized Microstrip Ring Antenna Using a Slotted Ground for GNSS Applications," Progress In Electromagnetics Research Letters, Vol. 88, 29-36, 2020.
doi:10.2528/PIERL19082707

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